Baccharis Consulting LLC

Upper Delaware River Watershed in Delaware


Outline of the Upper Delaware River Watershed

                                                Upper Delaware River Watershed

Watershed Description

Picture of Upper Delaware River Watershed

        Upper Delaware River Watershed

Upper Delaware River watershed occupies the Delaware River area from the stateline to about the Port of Wilmington.

Watershed Area:  208,789 acres (84,494 hectares)

Location:  Delaware Bay downstream of Port Penn, Delaware.

Flow Direction:  Generally south, entirely tidal.

Characteristics: Mostly estuarine water of Delaware Bay with a small amount of land.

Major Vegetation Communities/Land Covers


The water of Delaware River composes most of the watershed.  A very small amount is present as Modified Land, Northeastern Old Field and Impervious Surface.

Upper Delaware River Watershed Vegetation Community/Land Covers (Top 5 for 2007)
Vegetation Community/Land Cover Acres Hectares
Estuarine Coastal Oligohaline Water 5,856 2,370
Estuarine Tidal Riverine Water 2,038 825
Modified Land 152 62
Northeastern Old Field 50 20
Impervious Surface  32  13

*The table above is subject to change with more watershed mapping.

Managed Lands


Links of Interest


Vegetation Community/Land Cover Maps Available


One vegetation community/land cover map based on 2007 aerial imagery is available in .pdf format.  The map is in the process of completion and is provided “as is” for informational purposes.  Email for shapefile requests.